[ExonClient][ExonClient] is a trait that can be used to manage an exon catalogs.

[ExomeSession][ExomeSession] is a struct that represents a session of a remote instance of the Exome Service.

[ExomeCatalogClient][ExomeCatalogManager]

[ExomeCatalogManager][ExomeCatalogManager]: exists within the DataFusion SQL context, called within the particular Execution Plan's execute method. This is the Extension.

CatalogServiceClient is the proto service

SQL Planning

[ExomeExtensionPlanner][ExomeExtensionPlanner] -- extends ExtensionPlanner, which is the DataFusion struct.

Execution Plans

These are delegated to within the ExomeExtensionPlanner struct.

CreateCatalogExec -- creates a catalog.

flowchart
    ExomeExtensionPlanner -- Executes --> CreateCatalogExec
    ExomeExtensionPlanner -- Executes --> DropCatalogExec
    CreateCatalogExec -- Calls to --> ExomeCatalogManager
    DropCatalogExec -- Calls to --> ExomeCatalogManager
    ExomeCatalogManager -- Calls to --> ExomeCatalogClient
    ExomeCatalogClient -- Uses --> CatalogServiceClient
    CatalogServiceClient -- Calls to --> A[Exome Service]